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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'JUNIOR INSTRUCTOR (PUMP OPERATOR) INDUSTRIAL TRAINING English ' And exam conducted in the year 2019. And Question paper code was '061/2019'. Medium of question paper was in Malayalam or English . Booklet Alphacode was 'A'. Answer keys are given at the bottom, but we suggest you to try answering the questions yourself and compare the key along wih to check your performance. Because we would like you to do and practice by yourself.
084. The operation of forcing additional air under pressure in the engine cylinder is
known as
)۸ Supercharging (8) Scavenging
(0) Turbulence (D) Pre-ignition
085. Ignition quality of petrol is expressed by
(ಗ) Octane number (B) Cetane number
(C) Calorific value (D) Self-ignition temperature
086. A two-stroke engine is usually identified by
(ಯ) Size of flywheel (8) Weight of engine
(C) Type of lubrication system (D) Absence of valves
087. Gas turbine works on
(ಗ) Carnot cycle (B) Brayton cycle
(C) Rankine cycle (D) Erricson cycle
088. Critical temperature is the temperature above which
(A) A gas willimmediately liquefy (B) A gas will never liquefy
(C) Water will evaporate (D) Water will never evaporate
089. Presence of moisture in a refrigerant affects the working of
(A) Compressor (8) Condenser
(C) Expansion valve (D) Evaporator
090. Density of water is maximum at
ശു 0८ (B) 0K
(©) 100°C (D) 46௦
091. The stress-strain relation of the Newtonian fluid is
(ಗ) Linear (8) Parabolic
(C) Hyperbolic (D) Inverse type
वि | 2019-A